命令:
ffmpeg -i e:/input.mp4 -acodec aac -vn e:\output.aac执行结果:
C:\Users\Administrator>ffmpeg -i e:/input.mp4 -acodec aac -vn e:\output.aac
ffmpeg version N-105774-g644b6ed3ff-20220226 Copyright (c) 2000-2022 the FFmpeg
developers
built with gcc 11.2.0 (crosstool-NG 1.24.0.533_681aaef)
configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-conf
ig=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw
32 --enable-gpl --enable-version3 --disable-debug --disable-w32threads --enable-
pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --en
able-libfribidi --enable-gmp --enable-lzma --enable-fontconfig --enable-libvorbi
s --enable-opencl --disable-libpulse --enable-libvmaf --disable-libxcb --disable
-xlib --enable-amf --enable-libaom --enable-avisynth --enable-libdav1d --enable-
libdavs2 --disable-libfdk-aac --enable-ffnvcodec --enable-cuda-llvm --enable-fre
i0r --enable-libgme --enable-libass --enable-libbluray --enable-libmp3lame --ena
ble-libopus --enable-librist --enable-libtheora --enable-libvpx --enable-libwebp
--enable-lv2 --enable-libmfx --enable-libopencore-amrnb --enable-libopencore-am
rwb --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-libra
v1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --en
able-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --disable-
libdrm --disable-vaapi --enable-libvidstab --enable-vulkan --enable-libshaderc -
-enable-libplacebo --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-
libxvid --enable-libzimg --enable-libzvbi --extra-cflags=-DLIBTWOLAME_STATIC --e
xtra-cxxflags= --extra-ldflags=-pthread --extra-ldexeflags= --extra-libs=-lgomp
--extra-version=20220226
libavutil 57. 21.100 / 57. 21.100
libavcodec 59. 21.100 / 59. 21.100
libavformat 59. 17.102 / 59. 17.102
libavdevice 59. 5.100 / 59. 5.100
libavfilter 8. 27.100 / 8. 27.100
libswscale 6. 5.100 / 6. 5.100
libswresample 4. 4.100 / 4. 4.100
libpostproc 56. 4.100 / 56. 4.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'e:/input.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.71.100
description : Packed by Bilibili XCoder v2.0.2
Duration: 00:09:51.55, start: 0.000000, bitrate: 905 kb/s
Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(progres
sive), 1920x1080 [SAR 1:1 DAR 16:9], 769 kb/s, 30 fps, 30 tbr, 16k tbn (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo,
fltp, 125 kb/s (default)
Metadata:
handler_name : SoundHandler
vendor_id : [0][0][0][0]
Stream mapping:
Stream #0:1 -> #0:0 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
Output #0, adts, to 'e:\output.aac':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
description : Packed by Bilibili XCoder v2.0.2
encoder : Lavf59.17.102
Stream #0:0(und): Audio: aac (LC), 44100 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
vendor_id : [0][0][0][0]
encoder : Lavc59.21.100 aac
size= 9193kB time=00:09:51.55 bitrate= 127.3kbits/s speed=39.3x
video:0kB audio:9019kB subtitle:0kB other streams:0kB global headers:0kB muxing
overhead: 1.931117%
[aac @ 0000000002a4d9c0] Qavg: 13587.356
在E盘生成了一个output.aac音频文件
使用vlc播放了一下，确实可以播放。
